A 9-year-old boy who died “of the disease of Irish emigrants”

This was posted on Facebook, by the Institut généalogique Drouin (but the screencap below is from ancestry.ca: Quebec, Vital and Church Records [Drouin Collection], 1621-1967). It is the burial record for a nine-year-old boy named Henry Gill, “décédé de la maladie des émigrés irlandais” ([who] died of the disease of Irish emigrants): “La maladie des émigrés…